Horizon
2021
20214 episodes
Episode 1
Feast to Save the Planet
Jan 4, 20211h
Gregg Wallace and mathematician Hannah Fry invite five special guests to a unique dinner party where they are scored on the environmental impact of every dish they choose.
Episode 2
The Secret Science of Sewage
Mar 18, 20211h
Dr George McGavin and Dr Zoe Laughlin set up base camp at one of the UK's biggest sewage works to investigate the revolutionary science finding vital renewable resources and undiscovered life in human waste. Teaming up with world-class scientists, they search for biological entities in sewage with potentially lifesaving medical properties, find out how pee can generate electricity, how gas from poo can fuel a car and how nutrients in waste can help solve the soil crisis. They follow each stage of the sewage treatment process, revealing what the stuff we flush can tell us about how we live today, and the mindboggling biotechnology being harnessed to clean it, making the wastewater safe enough to return to the environment.
Episode 3
Dolly: The Sheep That Changed the World
Nov 23, 202159m
The story of the scientists who created Dolly, the sheep that changed the world in this documentary, part of the Horizon series. This Horizon branded documentary tells the full story for the first time with never-before-seen archive, revealing how on a small Scottish farm, a handful of the world’s best genetic scientists worked in secret to crack the holy grail of life: cloning.
Episode 4
The Vaccine
Jul 8, 20211h 29m
With unique access to five vaccine teams around the globe, this is the extraordinary inside story of the unprecedented quest to develop and make vaccines to fight Covid-19.